2920455

素因数分解:

$3^4\times 5^1\times {\mathrm{7211}}^1$

素因数の和:7228

約数の個数: 20

約数和(自身を含む): 5235912

約数和(自身を除く): 2315457

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7211, 21633, 36055, 64899, 108165, 194697, 324495, 584091, 973485, 2920455]

約数ペア:

[(1, 2920455), (3, 973485), (5, 584091), (9, 324495), (15, 194697), (27, 108165), (45, 64899), (81, 36055), (135, 21633), (405, 7211)]